Navigate to http://localhost:11501 . Open DevTools (F12) → Network tab. Reload. Look for response headers that might reveal the server type (e.g., X-Powered-By: Express , Server: nginx ).
Some older versions of development tools or specific local proxy servers (like those used for bypassing CORS during frontend development) default to the 11xxx range. Troubleshooting "Connection Refused" at Localhost:11501 localhost11501
Some IDEs (like Visual Studio Code with Live Server extension) or JetBrains products may auto-assign ports in the 11000–12000 range for live previews. Navigate to http://localhost:11501
A specific "channel" through which data is sent. In the context of government portals like Khajane 2, it is usually used by a Digital Signature Certificate (DSC) signer service or a local bridge application. 2. Common Use Case: Khajane 2 / Digital Signatures Look for response headers that might reveal the